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Adding to 10 and 20

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  • 5 + __ = 16
    11
  • 12 + 12=
    24
  • 6 + __= 10
    4
  • 2+ 2+ __= 10
    6
  • 7 + 7=
    14
  • 10 + 2=
    12
  • 10 + 6=
    16
  • 1 + 2 + 3=
    6
  • Which number is greater? 98 or 89?
    98
  • 7 +__ = 10
    3
  • 9 + 9 =
    18
  • 5 + ___+ 5= 15
    5
  • When we are doubling numbers, are the answers skip counting by 1's or 2's?
    2s
  • 10 + __ = 13
    3
  • 4 + 4=
    8
  • 11 + 11=
    22
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